49089578 has 8 divisors (see below), whose sum is σ = 77509920. Its totient is φ = 23252940.

The previous prime is 49089577. The next prime is 49089581. The reversal of 49089578 is 87598094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (49089571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645878 + ... + 645953.

It is an arithmetic number, because the mean of its divisors is an integer number (9688740).

Almost surely, 2^49089578 is an apocalyptic number.

49089578 is a deficient number, since it is larger than the sum of its proper divisors (28420342).

49089578 is a wasteful number, since it uses less digits than its factorization.

49089578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291852.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 49089578 is about 7006.3955069636. The cubic root of 49089578 is about 366.1534238872.

The spelling of 49089578 in words is "forty-nine million, eighty-nine thousand, five hundred seventy-eight".